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First Look: Porsche’s Cayenne S Hybrid SUV

Posted on February 21, 2009
Filed Under Hybrid SUV, Porsche Cayenne | Leave a Comment

porsche-cayenne-hybridIt’s no secret that Porsche’s planning a range of production Cayenne hybrids, but specifics on the Hybrid S model have been slim – until now. A slew of details released today reveals the vehicle is targeting V8 performance with four-cylinder emissions and efficiency.

But it’s not just about the fuel-saving aspects. Teaming an Audi 3.0L V6 DFI engine rated at 333hp and 324lb-ft of torque with a 52hp, 221lb-ft electric motor and a 38kW NiMH battery pack, the Cayenne Hybrid S is a perkier than the average hybrid, or six-cylinder SUV for that matter. Zero to 62mph (100km/h) ticks by in 6.8 seconds, despite the ULEV II emissions rating, cutting CO2 by 20% compared to the standard version.

Porsche also revealed the function of the hand-off between electric and combustion drive. Good for up to 1.2mi (1.9km) on electricity alone, once that reserve is exhausted, the computer fires up the engine, engages the clutch and transfers power all in just 380ms. And it does it “without the driver or passengers noticing what is happening” according to Porsche.

An eight-speed transmission ties the whole system together, offering long gears at the high end for more efficient cruising. The top speed gear is actualy sixth, so seventh and eighth are effectively overdrives. In top gear, the vehicle can maintain constant speeds up to 86mph (138km/h) on electricity alone.

The Cayenne Hybrid S drive system will also make its way into a Panamera hybrid, due to hit the streets in late summer (Q3) 2009.

Source: Motor Authority

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